There was a king in Tir na n-Og (the land of Youth) who held the throne and crown for many a year against all comers; and the law of the kingdom was that every seventh year the champions and best men of the country should run for the office of king.
Once in seven years they all met at the front of the palace and ran to the top of a hill two miles distant. On the top of that hill was a chair and the man that sat first in the chair was king of Tir na n-Og for the next seven years. After he had ruled for ages, the king became anxious; he was afraid that some one might sit in the chair before him, and take the crown off his head. So he called up his Druid one day and asked: "How long shall I keep the chair to rule this land, and will any man sit in it before me and take the crown off my head?"
"You will keep the chair and the crown forever," said the Druid, "unless your own son-in-law takes them from you."
The king had no sons and but one daughter, the finest woman in Tir na n-Og; and the like of
